b) What happens to an element 'A' if its atom gains two electrons?
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Explanation:
When atom A gains two electrons it forms an anion by developing 2 negative charges over it as there are 2 electrons more than the number of protons in the ion.
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Required Answer
When atom A gains two electrons it forms an anion by developing 2 negative charges over it as there are 2 electrons more than the number of protons in the ion.
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